"Un-Earthing" Discoveries
Earthworm Dissection: PAP Bio - Vu 7- April 6, 2014 - J Chen
"Ground" Objectives
Back"ground" Information
The Digestive System
Un"earth"ed Fun Facts
-There are approximately 6,000 earthworm species worldwide.
-Because earthworms lack lungs, they breathe through their skin.
-The earthworm does not have a specified gender; it contains both egg and sperm.
-An earthworm secretes a lubricating fluid to make burrowing easier.
Works and Websites Cited:
Information:
http://zannr.hubpages.com/hub/Earthworms-and-digestion
http://www.sciencelearn.org.nz/Science-Stories/Earthworms/Earthworm-adaptations
http://www.sciencelearn.org.nz/Science-Stories/Earthworms/Niches-within-earthworms-habitat
http://animals.nationalgeographic.com/animals/invertebrates/earthworm/
http://ecowatch.com/2014/03/08/10-facts-about-earthworms/
Photos:
http://www.cpalms.org/Public/PreviewResource/Preview/45851
http://www.savalli.us/BIO385/Diversity/09.Annelida.html
http://wormsworms101.wordpress.com/2012/02/13/some-major-parts-of-the-earthworm-digestive-system/